Benkadda, S. ; Dudok de Wit, T. ; Verga, A. ; Sen, A. ; Garbet, X. (1994) Characterization of coherent structures in Tokamak edge turbulence Physical Review Letters, 73 (25). pp. 3403-3406. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v73/i25/p3403_1
Related URL: http://dx.doi.org/10.1103/PhysRevLett.73.3403
Abstract
A statistical test for extracting and identifying coherent structures in the scrape-off layer turbulence is used to analyze Langmuir probe data from the ADITYA and ASDEX tokamaks. This method, the biorthogonal decomposition, allows one to characterize large-scale coherent structures in plasma turbulence in an unambiguous manner. It is shown that such structures effectively contribute to radial transport and to intermittency. Results from numerical simulations of turbulence driven by the resistive interchange instability in the scrape-off layer are compared to the observed statistical properties.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 85262 |
| Deposited On: | 02 Mar 2012 07:15 |
| Last Modified: | 02 Mar 2012 07:15 |
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